From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jake Potrebic <jake.m.potrebic@gmail.com>
Date: Wed, 2 Dec 2020 20:04:01 -0800
Subject: [PATCH] Added ServerResourcesReloadedEvent


diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index c83f2636ae93d92381e019d5b13ac82c5a1d30bf..892ca65d258b0745be95d7ef4886c49899b24d92 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -2,9 +2,6 @@ package net.minecraft.server;
 
 import com.google.common.base.Splitter;
 import com.google.common.collect.ImmutableList;
-import co.aikar.timings.Timings;
-import com.destroystokyo.paper.event.server.PaperServerListPingEvent;
-import com.google.common.base.Stopwatch;
 import com.google.common.collect.Lists;
 import com.google.common.collect.Maps;
 import com.google.common.collect.Sets;
@@ -181,6 +178,7 @@ import org.bukkit.event.server.ServerLoadEvent;
 import co.aikar.timings.MinecraftTimings; // Paper
 import org.spigotmc.SlackActivityAccountant; // Spigot
 import io.papermc.paper.util.PaperJvmChecker; // Paper
+import io.papermc.paper.event.server.ServerResourcesReloadedEvent; // Paper
 
 public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTask> implements SnooperPopulator, CommandSource, AutoCloseable {
 
@@ -1934,9 +1932,15 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
         return this.functionManager;
     }
 
+    // Paper start - add cause
+    @Deprecated
     public CompletableFuture<Void> reloadResources(Collection<String> datapacks) {
+        return this.reloadServerResources(datapacks, ServerResourcesReloadedEvent.Cause.PLUGIN);
+    }
+    public CompletableFuture<Void> reloadServerResources(Collection<String> collection, ServerResourcesReloadedEvent.Cause cause) {
+        // Paper end
         CompletableFuture<Void> completablefuture = CompletableFuture.supplyAsync(() -> {
-            Stream<String> stream = datapacks.stream(); // CraftBukkit - decompile error
+            Stream<String> stream = collection.stream(); // CraftBukkit - decompile error
             PackRepository resourcepackrepository = this.packRepository;
 
             this.packRepository.getClass();
@@ -1947,9 +1951,10 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
             this.resources.close();
             this.resources = datapackresources;
             this.server.syncCommands(); // SPIGOT-5884: Lost on reload
-            this.packRepository.setSelected(datapacks);
+            this.packRepository.setSelected(collection);
             this.worldData.setDataPackConfig(getSelectedPacks(this.packRepository));
             datapackresources.updateGlobals();
+            new ServerResourcesReloadedEvent(cause).callEvent(); // Paper
             if (Thread.currentThread() != this.serverThread) return; // Paper
             //this.getPlayerList().savePlayers(); // Paper - we don't need to do this
             this.getPlayerList().reloadResources();
diff --git a/src/main/java/net/minecraft/server/commands/ReloadCommand.java b/src/main/java/net/minecraft/server/commands/ReloadCommand.java
index 38642911113baf253560960af992e942a3dc87e1..33e34f302b046f819bf9a4c14459bfbbff18b786 100644
--- a/src/main/java/net/minecraft/server/commands/ReloadCommand.java
+++ b/src/main/java/net/minecraft/server/commands/ReloadCommand.java
@@ -12,15 +12,16 @@ import net.minecraft.server.packs.repository.PackRepository;
 import net.minecraft.world.level.storage.WorldData;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
+import io.papermc.paper.event.server.ServerResourcesReloadedEvent; // Paper
 
 public class ReloadCommand {
 
     private static final Logger LOGGER = LogManager.getLogger();
 
     public static void reloadPacks(Collection<String> collection, CommandSourceStack commandlistenerwrapper) {
-        commandlistenerwrapper.getServer().reloadResources(collection).exceptionally((throwable) -> {
-            ReloadCommand.LOGGER.warn("Failed to execute reload", throwable);
-            commandlistenerwrapper.sendFailure(new TranslatableComponent("commands.reload.failure"));
+        commandlistenerwrapper.getServer().reloadServerResources(collection, ServerResourcesReloadedEvent.Cause.COMMAND).exceptionally((throwable) -> { // Paper
+            CommandReload.LOGGER.warn("Failed to execute reload", throwable);
+            commandlistenerwrapper.sendFailureMessage(new ChatMessage("commands.reload.failure"));
             return null;
         });
     }
@@ -48,7 +49,7 @@ public class ReloadCommand {
         WorldData savedata = minecraftserver.getWorldData();
         Collection<String> collection = resourcepackrepository.getSelectedIds();
         Collection<String> collection1 = discoverNewPacks(resourcepackrepository, savedata, collection);
-        minecraftserver.reloadResources(collection1);
+        minecraftserver.reloadServerResources(collection1, ServerResourcesReloadedEvent.Cause.PLUGIN); // Paper
     }
     // CraftBukkit end